Browsing by Author "201-0549124"

Now showing items 41-60 of 98

    • Estudio de la Nube Molecular Filamentaria G34.43+0.24: Núcleos Densos y Flujos Moleculares 
      Sanhueza Núñez, Patricio Andrés (Universidad de ChilePrograma Cybertesis, 2008)
      La región G34.43+0.24 es una nube molecular opaca en la emisión del Infrarrojo medio, la cual presenta una forma filamentaria. Tiene una extensión de ~10 pc y está ubicada a una distancia de 3.7 kpc. Esta región se escogió ...
    • Estudio de las Propiedades Físicas de la Región de Formación Estelar G331.5-0.1 
      Merello Ferrada, Manuel Antonio (Universidad de ChilePrograma Cybertesis, 2009)
    • Exploración de la Región del Centro Galáctico en las Líneas Moleculares HCo+ (j=1-0), H13Co+ (j=1-0) y SiO (j=2-1) 
      Riquelme Vásquez, Denise Elizabeth (Universidad de ChilePrograma Cybertesis, 2007)
    • First intrinsic anisotropy observations with the cosmic background imager 
      Padin, S.; Cartwright, J. K.; Mason, S.; Pearson, T. J.; Readhead, A. C. S.; Shepherd, M. C.; Shevers, J.; Udomprasert, P. S.; Holzapfel, W. L.; Myers, S. T.; Carlstrom, J. E.; Leitch, E. M.; Joy, M.; Bronfman Aguiló, Leonardo; May Humeres, Jorge (UNIV CHICAGO PRESS, 2001-03-01)
      We present the first results of observations of the intrinsic anisotropy of the cosmic microwave background radiation with the Cosmic Background Imager from a site at 5080 m altitude in northern Chile. Our observations ...
    • Follow-up Observations Toward Planck Cold Clumps with Ground-Based Radio Telescopes 
      Liu, Tie; Wu, Yuefang; Mardones Pérez, Diego; Kim, Kee-Tae; Menten, Karl; Tatematsu, Ken; Cunningham, Maria; Juvela, Mika; Zhang, Qizhou; Goldsmith, Paul; Liu, Sheng-Yuan; Zhang, Hua-Wei; Meng, Fanyi; Li, Di; Lo, Nadia; Guan, Xin; Yuan, Jinghua; Belloche, Arnaud; Henkel, Christian; Wyrowski, Friedrich; Garay Brignardello, Guido; Ristorcelli, Isabelle; Lee, Jeong-Eun; Wang, Ke; Bronfman Aguiló, Leonardo; Toth, L.; Schnee, Scott; Qin, Shengli; Akhter, Shaila (The Korean Astronomical Society, 2015-09)
      The physical and chemical properties of prestellar cores, especially massive ones, are still far from being well understood due to the lack of a large sample. The low dust temperature (< 14 K) of Planck cold clumps makes ...
    • Footpoints of the giant molecular loops in the galactic center region 
      Riquelme, D.; Amo Baladrón, M. A.; Martín-Pintado, J.; Mauersberger, R.; Martin, S.; Burton, M. G.; Cunningham, M.; Jones, P. A.; Menten, K. M.; Bronfman Aguiló, Leonardo; Guesten, R. (EDP Sciences, 2018-05-30)
      Aims. We aim to reveal the morphology, chemical composition, kinematics, and to establish the main processes prevalent in the gas at the footpoints of the giant molecular loops (GMLs) in the Galactic center region. ...
    • Formación de Estrellas Masivas en la Galaxia Externa Austral 
      Guevara Navea, Cristian Felipe (Universidad de Chile, 2011)
      El objetivo de esta tesis fue la de caracterizar las propiedades físicas de zonas de formación de estrellas masivas en nubes moleculares y que se encuentran localizadas en la Galaxia externa austral; y realizar una ...
    • FOUR HIGHLY LUMINOUS MASSIVE STAR-FORMING REGIONS IN THE NORMA SPIRAL ARM. I. MOLECULAR GAS AND DUST OBSERVATIONS 
      Garay Brignardello, Guido; Mardones Pérez, Diego; Bronfman Aguiló, Leonardo; May, Jorge; Chavarría Garrido, Luis Agustín; Nyman, Lars-Åke (2010-02-10)
      We report molecular line and dust continuum observations, made with the Swedish-ESO Submillimeter Telescope, toward four young high-mass star-forming regions associated with highly luminous (L > 6 × 105 L ) Infrared Astronomical ...
    • FOUR HIGHLY LUMINOUS MASSIVE STAR-FORMING REGIONS IN THE NORMA SPIRAL ARM. II. DEEP NEAR-INFRARED IMAGING 
      Chavarría Garrido, Luis Agustín; Mardones Pérez, Diego; Garay Brignardello, Guido; Escala, A.; Bronfman Aguiló, Leonardo; Lizano, S. (2010-02-10)
      We present sensitive near-infrared (J, H, and K) imaging observations toward four luminous massive star-forming regions in the Norma Spiral Arm: G324.201+0.119, G328.307+0.432, G329.337+0.147, and G330.949−0.174. We ...
    • G331.512-0.103: An interstellar laboratory for molecular synthesis. I. the ortho-to-para ratios for CH3OH and CH3CN 
      Mendoza, Edgar; Bronfman Aguiló, Leonardo; Duronea, Nicolas U.; Lepine, Jacques R. D.; Finger Camus, Ricardo; Merello, Manuel; Hervías-Caimapo, Carlos; Gama, Diana R. G.; Reyes, Nicolás; Ake Nyman, Lars (IOP Publishing Ltd, 2018)
      Spectral line surveys reveal rich molecular reservoirs in G331.512-0.103, a compact radio source in the center of an energetic molecular outflow. In this first work, we analyze the physical conditions of the source by means ...
    • G345.45+1.50: an expanding ring-like structure with massive star formation 
      López Calderón, Cristian Marcelo; Bronfman Aguiló, Leonardo; Nyman, Lars-Ake; Garay Brignardello, Guido; De Gregorio Monsalvo, Itziar; Bergmann, Per (EDP Sciences, 2016)
      Context. Ring-like structures in the interstellar medium (ISM) are commonly associated with high-mass stars. Kinematic studies of large structures in giant molecular clouds (GMCs) toward these ring-like structures may help ...
    • GALACTIC STRUCTURE BASED ON THE ATLASGAL 870 mu m SURVEY 
      Beuther, H.; Tackenberg, J.; Linz, H.; Henning, Thomas; Schuller, F.; Wyrowski, F.; Schilke, P.; Menten, K.; Robitaille, T. P.; Walmsley, C. M.; Bronfman Aguiló, Leonardo; Motte, F.; Nguyen-Luong, Q.; Bontemps, S. (IOP PUBLISHING LTD, 2012-03-01)
      The ATLASGAL 870 mu m continuum survey conducted with the APEX telescope is the first one covering the whole inner Galactic plane (60 degrees > l > -60 degrees and b < +/-1 degrees.5) in submillimeter (submm) continuum ...
    • Giant Molecular Clouds in the Southern Milky Way 
      García Fuentes, Pablo Fernando (Universidad de ChilePrograma Cybertesis, 2007)
    • Implications of the cosmic background imager polarization data 
      Sievers, J. L.; Achermann, C.; Bond, J. R.; Bronfman Aguiló, Leonardo; Bustos, R.; Contaldi, C. R.; Dickinson, C.; Ferreira, P. G.; Jones, M. E.; Lewis, A. M.; Mason, B. S.; May Humeres, Jorge; Myers, S. T.; Oyarce, N.; Padin, S.; Pearson, T. J.; Pospieszalski, M.; Readhead, A. C. S.; Reeves, R.; Taylor, A. C.; Torres, S. (2007)
      We present new measurements of the power spectra of the E mode of cosmic microwave background (CMB) polarization, the temperature T, the cross-correlation of E and T, and upper limits on the B mode from 2.5 yr of dedicated ...
    • Infall, outflow, and turbulence in massive star-forming cores in the G333 giant molecular cloud 
      Lo, N.; Wiles, B.; Redman, M.; Cunningham, M.; Bains, I.; Jones, P.; Burton, M.; Bronfman Aguiló, Leonardo (Royal Astronomical Society, 2015)
      We present molecular line imaging observations of three massive molecular outflow sources, G333.6–0.2, G333.1–0.4, and G332.8–0.5, all of which also show evidence for infall, within the G333 giant molecular cloud (GMC). ...
    • Interferometric mapping of magnetic fields: The massive star-forming region G34.4+0.23 MM 
      Cortés, P. C.; Crutcher, R. M.; Shepherd, D. S.; Bronfman Aguiló, Leonardo (UNIV CHICAGO PRESS, 2008-03-20)
      We report millimeter interferometric observations of polarized continuum and line emission from the massive star-forming region G34.4. Polarized thermal dust emission at 3 mm wavelength and CO J = 1 -> 0 line emission were ...
    • Large scale map of millimeter wavelength hydrogen radio recombination lines around a young massive star cluster 
      Nguyen Lu'o'ng, Q.; Anderson, L. D.; Motte, F.; Louvet, F.; Bronfman Aguiló, Leonardo (IOP Publishing Ltd, 2017)
      We report the first map of large-scale (10 pc in length) emission of millimeter-wavelength hydrogen recombination lines (mm-RRLs) toward the giant H II region around the W43-Main young massive star cluster (YMC). Our mm-RRL ...
    • Massive star formation in the southern Milky Way 
      Bronfman Aguiló, Leonardo (SPRINGER, 2008-01)
      During the past decade we have compiled a large molecular line data base of massive star forming regions in the southern Milky Way. These regions are confined into giant molecular clouds that trace the galactic spiral arms. ...
    • Las Maternidades de Objetos Estelares Jóvenes Asociados con Chorros 
      Lackington Werner, Matías Andrés (Universidad de Chile, 2011)
      Los procesos de formación y evolución temprana de estrellas de alta masa aun no se entienden bien. El estudio de las estrellas masivas es, tanto desde el punto de vista observacional como teórico, mucho mas complejo que ...
    • Medición del patrón de radiación del telescopio Mini 
      Astudillo Alvarado, Pablo José (Universidad de Chile, 2014)
      Éste trabajo surge de la necesidad, por parte del Departamento de Astronomía, de conocer las características del Southern Millimeter-Wave Telescope (SMWT), también conocido como el telescopio Mini, para su uso como instrumento ...